Pictures: NASA Langley Mars Ice Challenge

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Colorado School of Mines' Caroline Ellis, center, and Angel Abbud-Madrid, right, look over their device during a Mars Ice Challenge event at NASA Langley Research Center on Wednesday, June 14, 2017. Various college teams from all over the United States were brought in to create winning ways to extract water from ice on Mars, so humans can colonize it.

Seen is an aerial view inside a hanger at NASA Langley Research Center during the Mars Ice Challenge event on Wednesday, June 14, 2017. Various college teams from all over the United States were brought in to create winning ways to extract water from ice on Mars, so humans can colonize it.

NASA Langley Research Center held the Mars Ice Challenge event on Wednesday, June 14, 2017. Various college teams from all over the United States were brought in to create winning ways to extract water from ice on Mars, so humans can colonize it.